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I am Lyosha [343]
3 years ago
11

A runner can travel 100 meters in 20 seconds. At that rate, how far does the runner go in 1 minute?

Mathematics
1 answer:
dimaraw [331]3 years ago
8 0

Answer:

he can run 5 meters in 1 min

Step-by-step explanation:

S = d/t

S=100m/20s

S=5m/s

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Evaluate the expression if a = -1 and b = 1/2.<br> 3+a/2 - 6b
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3 years ago
A line crosses through the point (3,10) and another point can be found on the line by going right 2 and down 7. find slope and y
DerKrebs [107]

Answer:

y =  \frac{-7x}{2}+\frac{41}{2}

Step-by-step explanation:

We are given the point (3, 10).

The second point is 2 on the x-axis and -7 on the y-axis. So our second point is: (3 + 2, 10 - 7) which is (5, 3).

Our formula for slope is m = \frac{rise}{run} = \frac{y2-y1}{x2-x1}

So, our equation would be \frac{3-10}{5-3} = \frac{-7}{2}

Using the standard formula of a line, y = mx + b, we can substitute for the slope, m.

y = \frac{-7x}{2} + b

Now, we can substitute a point on the line to determine the y-intercept:

Using the point (3, 10),

10 = \frac{-7(3)}{2} + b

b = 10 + \frac{21}{2}

b = \frac{41}{2}

So our full equation is: y =  \frac{-7x}{2}+\frac{41}{2}

3 0
2 years ago
If the area A of a triangle is 72, and the height h is equal to the length of the base b, what is the length of the base?
alexgriva [62]

Answer:

option B

Step-by-step explanation:

let the height=x

base=x

Area=½bh

72=½x•x

72×2=x²

144=x²

x=√144=12

5 0
2 years ago
Read 2 more answers
What is the slope of a line through (-3,3) and (-1,1)<br><br> A. 1/2<br> B. 2<br> C. -2<br> D. - 1/2
stealth61 [152]

Answer:

D is the answer

Step-by-step explanation:

8 0
3 years ago
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